Nondestructive measurement of refractive index profile for holey fiber preforms | Zendy

Yucheng Zhao | Zendy; K. Lyytikäinen | Zendy; Martijn A. van Eijkelenborg | Zendy; Simon Fleming | Zendy

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Nondestructive measurement of refractive index profile for holey fiber preforms

Author(s) -

Yucheng Zhao,

K. Lyytikäinen,

Martijn A. van Eijkelenborg,

Simon Fleming

Publication year - 2003

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.002474

Subject(s) - optics , materials science , refractive index , refractive index profile , step index profile , graded index fiber , optical fiber , normalized frequency (unit) , photonic crystal fiber , optical path , fiber optic sensor , optoelectronics , physics , phase locked loop , frequency synthesizer , phase noise

A non-destructive technique is presented to determine the refractive index profile of holey fiber preforms. The holes are filled with index matching oil and the holey preform deflection data is measured. An improved optical path-length formula and back projection method is used to reconstruct the two-dimensional filled holey fiber preform refractive index distribution.

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